CN2251099Y - Normal-and back-combustion burner for small boiler - Google Patents
Normal-and back-combustion burner for small boiler Download PDFInfo
- Publication number
- CN2251099Y CN2251099Y CN 95225670 CN95225670U CN2251099Y CN 2251099 Y CN2251099 Y CN 2251099Y CN 95225670 CN95225670 CN 95225670 CN 95225670 U CN95225670 U CN 95225670U CN 2251099 Y CN2251099 Y CN 2251099Y
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- China
- Prior art keywords
- burning
- grate
- water pipe
- fire grate
- flue
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- Expired - Fee Related
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Abstract
The utility model relates to a combustion device of a vertical boiler container type small boiler with double-layer fire grate. The boiler container is composed of an upper fire grate and a lower fire grate. The boiler wall and the upper water pipe fire grate of the boiler container, an upper cast iron fire grate, a lower cast iron fire grate, a boiler arch and the wall surface of the boiler container respectively form an air blast chamber, a forward combustion chamber, a forward combustion combusting-out chamber, a backward combustion combusting-out chamber, and a smoke passage. As the positive combustion and the reverse combustion can carry out the forced ventilation, the smoke elimination effect is good, the heat efficiency is high, the output force is enough, and the operation is convenient.
Description
The utility model relates to a kind of positive and negative burning burner of vertical flue formula double-layer grate miniature boiler.
In prior art, the miniature boiler of vertical flue formula double-layer grate formula, its burner is made up of upper and lower two-layer fire grate, and lower floor is the plain cast iron fire grate, and the upper strata is a water pipe furnace grate.Coal is put on the grate of water pipe furnace grate, and air is top-down to be moved downward by initiate coal, fervid grate, ash bed and water pipe furnace grate.Fugitive constituent is separated out the back and is burnt on oxide layer, because oxide layer oxygen abundance, the temperature height makes hydrocarbon in the fugitive constituent be difficult for cracking and is reduced to carbon black, so original smoke density is low, black smoke greatly reduces in the flue gas of discharge.But this double-layer grate back burns burner because (1) does not adorn air blast, and is on fire slow, undercapacity.(2) water pipe furnace grate top is storage coal space, does not play the burner hearth effect, thereby burner hearth utilization rate and heating surface area utilization rate are all lower.
The purpose of this utility model is that prior art is improved, and good, on fire fast, the foot of exerting oneself of a kind of smoke effect, burner hearth utilization rate and the high burner of heating surface utilization rate are provided.
The utility model adopts following technical proposals:
The positive and negative burning burner of the miniature boiler of minitype vertical type flue formula double-layer grate described in the utility model comprises flue, fire grate, chimney arch and fire door, it is characterized in that:
A. the lower part of the inside of flue is divided into two parts of mutual isolation by the stove partition wall, wherein Yi Bufen bottom is provided with lower floor's fire grate, the middle part is provided with water pipe furnace grate, the both sides of water pipe furnace grate are connected with chimney arch with the stove partition wall respectively, pot water between the water pipe two ends of water pipe furnace grate and flue and the shell is connected, and the space of being contained between flue, lower floor's fire grate, stove partition wall, the water pipe furnace grate constitutes positive and negative burning burning burning chamber.
B. the lower part of flue inside, be divided into the another part in two parts of mutual isolation by the stove partition wall, install with the isolated position of stove partition wall with water pipe furnace grate and just to burn fire grate, this is just burning the space formation that contains between fire grate and stove partition wall, the flue wall and is just burning blast chamber.
C. the epimere in flue is provided with chimney arch, and the both sides of chimney arch connect the wall of flue, and the lower end of chimney arch connects a side of water pipe furnace grate, chimney arch inner surface, water pipe furnace grate, just burns space that fire grate and furnace wall bread holds and constitutes and just burning the combustion chamber.
The space of D. being contained between the wall of the lateral surface of chimney arch and flue constitutes exhaust gases passes.
E. firing door is arranged on water pipe furnace grate and is just burning the position that fire grate is above, chimney arch is following.
F. the position of the burning of the positive and negative burning between water pipe furnace grate and lower floor's fire grate burning chamber is provided with and slags tap and loose coal stove door.
The miniature boiler of aforesaid vertical flue formula double-layer grate formula just, the anti-burner that burns, when operation, with after being added in the coal that just burns on fire grate and the water pipe furnace grate and igniting, continuation is added in coal uniformly from firing door is just burning on fire grate and the water pipe furnace grate, by just burning blast chamber to just burning the fire grate air-supply, make the coal combustion that just burns on the fire grate, the hot flue gas that produces passes through normal burning chamber, pass the new coal seam on the water pipe furnace grate, grate, ash bed and water pipe furnace grate move downward, fugitive constituent and burned carbon granules are just, after anti-burning burning burning chamber fully burnt, flue gas entered boiler heat convection district by flue.Because burning burning chamber oxygen abundance, temperature height, sufficient combustion, original smoke density is low, and black smoke greatly reduces in the flue gas of discharge.Because burner described in the utility model, (1) blast chamber and just burning fire grate and make the coal that just burns on the fire grate be easy to burning, on fire fast is set, and make positive combustion chamber be full of hot flue gas after the burning, coal on the water pipe furnace grate is easier to burn through washing away of hot flue gas, has not only lowered original smoke density but also improved the thermal efficiency; (2) water pipe furnace grate top just burn the burner hearth effect that plays the combustion chamber, improved the utilization rate of burner hearth utilization rate and heating surface area, also make the boiler output foot; (3) fall on lower floor's fire grate by coal piece, lime-ash under disclosing on the water pipe furnace grate, burn away, improved the thermal efficiency; (4) water pipe furnace grate and just burning fire grate by a firing door coal, easy to operate.
The positive and negative burning burner of aforesaid vertical flue formula double-layer grate formula miniature boiler has realized that smoke effect is good, and is on fire fast, the foot of exerting oneself, burner hearth utilization rate and the high purpose of heating surface utilization rate.
Below in conjunction with embodiment the utility model is further described:
Above-mentioned just burning fire grate (5) is fixed casting furnace grate.
Above-mentioned lower floor's fire grate (2) is fixed casting furnace grate.
Claims (3)
1. the positive and negative burning burner of a miniature boiler comprises flue, fire grate, chimney arch and fire door, it is characterized in that:
A. the inner lower part of flue (1) is divided into two parts of mutual isolation by stove partition wall (8), wherein Yi Bufen bottom is provided with lower floor's fire grate (2), the middle part is provided with water pipe furnace grate (4), the both sides of water pipe furnace grate (4) are connected with chimney arch (6) with stove partition wall (8) respectively, pot water between the water pipe two ends of water pipe furnace grate (4) and flue (1) and the shell (10) is connected, flue (1), lower floor's fire grate (2), stove partition wall (8), the space that water pipe furnace grate (4) is contained is just constituting, the anti-burning burning chamber of burning
B. the inner lower part of flue (1), be divided into the another part in two parts of mutual isolation by stove partition wall (8), just burning fire grate (5) with water pipe furnace grate (4) with the isolated position installation of stove partition wall (8), just burn the space formation that is contained between the wall of fire grate (5) and stove partition wall (8) and flue (1) and just burning blast chamber
C. the epimere at flue (1) is provided with chimney arch (6), the both sides of chimney arch (6) connect the wall of flue (1), the lower end of chimney arch (6) connects a side of water pipe furnace grate (4), the inner surface of chimney arch (6), water pipe furnace grate (4), the space that wall contained of just burning fire grate (5) and flue (1) constitute positive and negative burning and burn the chamber
The space of D. being contained between the wall of the lateral surface of chimney arch (6) and flue (1) constitutes exhaust gases passes (3),
E. firing door (7) is arranged on water pipe furnace grate (4) and is just burning more than the fire grate (5), the position that stove baking (6) is following,
F. the position of the burning of the positive and negative burning between water pipe furnace grate (4) and lower floor's fire grate (2) burning chamber is provided with and slags tap and loose ort (9).
2. burner according to claim 1 is characterized in that: the described fire grate (5) that just burning is fixed casting furnace grate.
3. burner according to claim 1 is characterized in that: described lower floor fire grate (2) is fixed casting furnace grate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95225670 CN2251099Y (en) | 1995-11-02 | 1995-11-02 | Normal-and back-combustion burner for small boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95225670 CN2251099Y (en) | 1995-11-02 | 1995-11-02 | Normal-and back-combustion burner for small boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2251099Y true CN2251099Y (en) | 1997-04-02 |
Family
ID=33872070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95225670 Expired - Fee Related CN2251099Y (en) | 1995-11-02 | 1995-11-02 | Normal-and back-combustion burner for small boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2251099Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123616A1 (en) * | 2012-02-22 | 2013-08-29 | Kuang Zhongping | Method of reducing standard coal consumption of electricity generating unit |
-
1995
- 1995-11-02 CN CN 95225670 patent/CN2251099Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123616A1 (en) * | 2012-02-22 | 2013-08-29 | Kuang Zhongping | Method of reducing standard coal consumption of electricity generating unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |